Robinson SF, Marks MJ, Collins AC (abril de 1996). «Inbred mouse strains vary in oral self-selection of nicotine». Psychopharmacology. 124 (4): 332–9. PMID8739548. doi:10.1007/bf02247438
Robinson SF, Marks MJ, Collins AC (abril de 1996). «Inbred mouse strains vary in oral self-selection of nicotine». Psychopharmacology. 124 (4): 332–9. PMID8739548. doi:10.1007/bf02247438